Ko Component Router Versions Save

https://github.com/Profiscience/ko-component-router/wiki/Migrating-from-3.x-to-4.x

Fixes nested router initalization w/ querystring params

nested routers, transition hooks, e2e tests, oh my!

Adds route binding for dealing with dynamic base paths

Rewrite using page.js as the underlying router

• Adds support for middleware
• Reduces file size drastically
• Better tests
• Overall less hacky
• CI